Classifying – separating – and assorting solids – Sifting – Plane sifters
Patent
1992-02-14
1994-08-16
Dayoan, D. Glenn
Classifying, separating, and assorting solids
Sifting
Plane sifters
209314, 209317, 241 80, B07B 128, B07B 1300
Patent
active
053379012
ABSTRACT:
An apparatus and process for screening a product grade of particulate matter from a feed-stream of particulate matter is provided. Specifically, the apparatus is a vibration screening action machine which vibrates, including motion having a component thereof perpendicular to the plane of the screen deck, at least one screen deck having a mesh defining the lower limit of the product grade. Such vibration screening action machine is optimized for ensuring the throughput of particulate fines through the mesh defining the lower limit of the product grade and thus substantially removing particulate fines from the product grade by setting the screen deck at a relatively low angle, as measured from horizontal, of less than 15 degrees.
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Binder Mark W.
Dayoan D. Glenn
Griswold Gary L.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
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